Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Propylene Glycol Butyl Ether PNB

Dow’s DOWANOL™ PNB is a high-performance propylene glycol butyl ether solvent in the DOWANOL™ glycol ether series. It offers excellent solvency for resins, low volatility, low odor, and good water miscibility—ideal for industrial coatings, inks, and cleaners. Its balanced evaporation rate enhances flow and leveling while reducing blushing. Widely used as a safer alternative to toxic glycol ethers.
  • propylene glycol butyl ether pnb_5c5a78b4
  • propylene glycol butyl ether pnb_5c5a78b4

Features Of Propylene Glycol Butyl Ether PNB

  1. Low volatility with favorable evaporation rate for balanced drying performance in coatings and inks.

  2. Excellent solvency for resins including acrylics, alkyds, and cellulose derivatives.

  3. High water miscibility enabling formulation flexibility in aqueous-based systems.

  4. Low odor and reduced skin irritation potential compared to traditional glycol ether alternatives.

  5. Good coalescing ability, enhancing film formation in latex paints and architectural coatings.

Typical Applications Of Propylene Glycol Butyl Ether PNB

  1. Architectural and industrial waterborne paints and coatings.

  2. Printing inks, especially flexographic and gravure formulations.

  3. Industrial cleaning agents and degreasers for precision equipment.

  4. Adhesives and sealants requiring controlled open time and film integrity.

  5. Electronic cleaning fluids where residue-free evaporation is critical.

Specifications Of Propylene Glycol Butyl Ether PNB

Chemical TypeGlycol Ether (Propylene Glycol Monobutyl Ether)
Product FormClear, colorless liquid
AppearanceTransparent, free from suspended matter
OdorMild, characteristic ether-like
Solubility in WaterComplete miscibility at 25°C
Density (20°C)0.900–0.910 g/cm³
Boiling Point (760 mmHg)170–172°C
Flash Point (Closed Cup)72°C (ASTM D93)


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